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When is a building permit required?

A permit is required for new construction, extension and certain alterations. The building committee must decide within ten weeks of a complete application.

What the source says

  • Chapter 9 section 2: when a permit is required.
  • Chapter 9 section 27: ten weeks from a complete application.
  • Chapter 10 section 3: works may not begin before start clearance.

Source rows

  • PBL
    SFS 2010:900 · The municipal building committee, with Boverket as central authority · Retrieved 2026-08-20
  • BBR
    BFS 2011:6 med ändringar · Boverket, the Swedish National Board of Housing · Retrieved 2026-08-20

For the owner, landlord or seller

Check the detailed plan first; a deviation extends the procedure.

For the tenant, buyer or client

Neighbours and affected parties are heard where the plan is deviated from.

Next step

Read the source row for the Planning and Building Act.

The page states what the source says under the stated conditions. It is not advice in an individual matter.

Next step

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